这是我的HTML:
<nav class="navbar navbar-default drop-shadow navbar-fixed-top" role="navigation">
<div class="navbar-inner">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a href="/" class="navbar-brand">
<%= image_tag "logo.png", class: "img-responsive" %>
</a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav navbar-right">
<li><a href="/services">SERVICES</a></li>
<li><a href="/about">ABOUT</a></li>
<li><a href="/faqs">FAQs</a></li>
<li><a href="/contact-us">CONTACT</a></li>
</ul>
</div>
</div>
</div>
</nav>
我正在使用Rails 4和Bootstrap-Sass gem(https://github.com/twbs/bootstrap-sass)来包含所有内容:
的application.js
//= require bootstrap-sprockets
当我在移动设备上查看我的网站时,折叠的导航栏不会出现